经过阅读源码,其实不(bu)少思路和Android的匿名内(nei)存有(you)点相似阅读(du)本(ben)文之前就算(suan)不知道(dao)dma_buf的设计思想也(ye)没关系(xi),我不(bu)会仔细到每一(yi)行,我会注重其在gralloc服务中(zhong)的申请流程,看(kan)看ion是如何管(guan)理共(gong)享内(nei)存,为(wei)什(shi)么(me)要抛(pao)弃ashmem我们
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